Jun 8 1989
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(New page: This date marked the thirtieth anniversary of the first hypersonic flight of the X-15 experimental rocket plane. North American Aviation pilot A. Scott Crossfield was at the co...)
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This date marked the thirtieth anniversary of the first hypersonic flight of the X-15 experimental rocket plane. North American Aviation pilot A. Scott Crossfield was at the controls for the first flight. The X-15 research aircraft flew a total of 199 flights in what is widely regarded as one of the most successful aeronautical research programs ever conducted. (NASA Release 89-82, May 30/89)
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